baber/WOPTO huggingface dataset:
Patent DE-4040853-A1 (DE)
Title: 2,3-Di:chloro-4-amino-phenol - used as intermediate, for plant protecting agents e.g. fungicides
Inventor: PAETZ CHRISTIAN DIPL CHEM DR
IPC: C07C209/38
Filed: 1990-12-20
Abstract: Prepn. of 2,3-dichloro-4-aminophenol (I) comprises reacting p-nitrosophenol in an N-alkylated carboxylic acid amide (open or cyclic) (II) opt. with an organic solvent with HC1. (II) is specifically of formula (A), R1 = H, 1-6C alkyl, 5-6C alkyl or phenyl, R2, R3 = 1-6C alkyl, 5-6C cycloalkyl or phenyl, or R1+R2 = 3-5C alkylene. The ratio of solvent to mixt. is pref. 1:1-10, pref. an aliphatic or aromatic hydrocarbon or a chlorohydrocarbon. Reaction is at -20 to 50 deg.C pref. 0-20 deg.C. The solvent is esp. satd. with HCl. The p-nitrosophenol is used at 0-50 esp. 10-20%. USE - 2,3-Dichloro-4-aminophenol used as intermediate for plant protection agent esp. fungicides.
Patent DE-4042324-A1 (DE)
Title: Combustion system for dual fuel engine
Inventor: SCHAUB FREDERICK S
IPC: F02B7/06
Filed: 1990-10-24
Abstract: The torch cell has a torch cell nozzle at one end and the other end having appropriate mechanism to connect the torch cell to a fuel supply. A fuel injector is mounted in the torch cell at a predetermined angle to an axis of the torch cell. The torch cell has an auto-ignition chamber that is in operative communication with the injector by an injector nozzle passageway. The injector nozzle passageway enters the auto-ignition chamber at a predetermined angle relative to the cell axis. The torch cell provides an improved dual fuel engine and method for operating a dual fuel engine by use of its autoignition chamber. Also provided is a cylinder head which can replace present dual fuel engine cylinder heads. The cylinder head has at least one of the torch cells operatively connected to the cylinder head.
Patent DE-4108114-A1 (DE)
Title: Electrically heated vehicle steering wheel - uses heating conductor with meandering resistance wire reinforced by plastics band
Inventor: DIETZ XAVER
IPC: B62D1/06
Filed: 1991-03-13
Abstract: The steering wheel uses a heating conductor (1) coupled via a switch (6) to the vehicle battery (5) and embedded in the foam or hardened plastics covering enclosing the steering wheel core. The heating conductor (1) has rectangular or curved meanders (14) with C-shaped longitudinal arms (15) joined by shorter arms (16) extending in the peripheral direction of the steering wheel. The heating conductor (1) is formed by a Cu wire reinfored by a narrow plastics band (2) extending along the centre line of the meanders perpendicular to the longitudinal arms (15) of the meanders (14). ADVANTAGE - Heating conductor is suitable for wide range of different steering wheels.
Patent DE-4109182-A1 (DE)
Title: Sample evaluation system using thermal expansion deformation - using optical interference between reflected stimulation beam and reference beam with different frequency
Inventor: TAKAMATSU HIROYUKI
IPC: G01N21/21
Filed: 1991-03-20
Abstract: The evaluation system uses the measured thermal expansion oscillation at the surface of the sample in response to a stimulation beam with an intensity which is periodically modulated at a given frequency. The stimulation beam has a optical frequency the reflected beam superimposed on a reference beam with a second optical frequency, the obtained interference converted into electrical signals. The latter are used to provide a beat signal with a frequency corresponding to the difference between the optical frequencies, converted into a binary signal allowing amplitude and phase evaluation.
Patent DE-4110999-A1 (DE)
Inventor: SEEL KARL
IPC: B01D33/44
Filed: 1991-04-05
Abstract: In continuously rotating screening or filtering machines of the drum or band type, the back-washing is controlled in that a difference in the height of damming between the contaminated water side and clean water side is preset and the speed of revolution of the rotation drive of the machine is controlled in such a way that the preset difference in the height of damming is observed. When a maximum preset speed of revolution is reached, the back-washing facility is actuated and back-washing takes place during a preset number of rotations.
Patent DE-4122382-A1 (DE)
Inventor: HELLING WILHELM
IPC: B01F23/00
Filed: 1991-07-05
Abstract: Method for processing a mixture of polymers which are incompatible as regards processing in shaping processes, such as, for example, by extrusion or the like, in which a first part of the mixture, which consists of a material which is substantially uniform as regards the chemical substance group, is separated off; a second part of the mixture is subjected to further processing which leads to surface enlargement and/or surface modification of the components; and subsequently the first separated-off part of the mixture and the second further-processed part of the mixture are combined again and processed to form a blend in which the second part of the mixture is essentially uniformly distributed in the first part of the mixture, so that processing the blend in a shaping process gives a substantially uniform product, a blend which can be produced according to said process and the use thereof. <IMAGE>
Patent DE-4124049-A1 (DE)
Title: Image reproduction system providing mosaic pattern - uses data obtained by scanning original image to control selection of mosaic stones
Inventor: KRATZL RUDOLF DIPL ING
IPC: B44B9/00
Filed: 1991-07-19
Abstract: The image reproduction system provides data representing the image used to select the mosaic stones for the mosaic pattern. The data is obtained by scanning the original image and is entered in a data memory which is subsequently addressed, to control selection of the mosaic stones. The original image is scanned via an optical scanner (14) coupled to a video processor (15). The latter provides data relating to the position, colour and size of individual image areas and the relative spacing between the latter. USE - For formation of mosaic applied to floor or wall.
Patent DE-4128455-A1 (DE)
Title: Pull-out wooden sewing box - has plastics two- or three-stage scissor fitments with four-part and S-shaped arms, plastics inserts, slots and pivot discs.
Inventor: KOCHENBURGER MICHAEL
IPC: A47B29/00
Filed: 1991-08-28
Abstract: The pull-out wooden sewing-box has plastics two- and three-stage scissor-type fitments consisting of inner (1) and (2) outer scissors which have a four-part circular arm. The middle scissors (3) have an S-shaped arm (18). The scissors intersect in slots (8) bored into the inner surface of the front sides and are covered with plastics inserts (9) and are fixed in place. The scissors are mounted in pins (4), pegs (5) or plugs (6). Beneath the middle and upper boxes are guides (7). The inner and outer scissors have disc-shaped pivot points. USE/ADVANTAGE - The wooden sewing box can be produced by hand or by mass-production, and has plastics scissor fitments which are invisible from the outside for pulling the boxes out.
Patent DE-4128592-A1 (DE)
Title: Continuous mfr. of felting or nonwoven from fibre particles - where compressed air stream is provided at the levelling zone to mix loose fibres for suction extraction
Inventor: SCHNEIDER FRITZ
IPC: D01G25/00
Filed: 1991-08-28
Abstract: For the continuous mfg. of a felting or nonwoven from fibre particles, pref. of lignocellulose and/or cellulose, a compressed air flow is directed at least over part of the width of the material to eddy and mix the loose fibres which are released while the fibres are compressed and levelled into the felting structure. The loose mixed fibres are sucked clear. Pref. the pressure side of the underpressure unit, to compress and felt the fibre material, is used to provide the compressed air flow, which is used at a temp. up to about 55 deg.C. Part of the volume of compressed air is directed at the material surface directly in front of the levelling point. Within a given time unit, the amount of compressed air delivered is about equal to the volume of air drawn out by suction at the levelling zone. ADVANTAGE - The loose fibre material is reduced to the required thickness of the nonwoven or felting in a consistent material structure with increased productivity
Patent DE-4130369-A1 (DE)
Title: Medical imaging device for measuring blood and tissue changes - measures transmission or reflection of laser source in red to infrared region, with deflector producing fan-shaped beam, and position-resolving two-dimensional sensor
Inventor: KLINGENBECK-REGN KLAUS DR ING
IPC: G01J1/44
Filed: 1991-09-12
Abstract: The device forms medical images with light using an appts. for determining the transmission or reflection of light from objects (1) with an illumination device (6) emitting light in the red to infrared region and a two-dimensional position resolving image sensor (10) for detecting radiation from the object. The sensor is a CCD array and the illumination device, which generates a two-dimensional deflected scanning beam, includes a laser and a deflector which performs two-dimensional fan-shaped beam deflection. ADVANTAGE - Makes efficient use of transmitted light and enables simple computation of scattered light.
Patent DE-4131785-A1 (DE)
Title: Rear-wheel symmetrical steering mechanism for motor vehicle - is driven by servomotor and worm gear acting on two coupled steering levers executing opposite movements
Inventor: HAYASHI HIROYUKI
IPC: B62D7/15
Filed: 1991-09-24
Abstract: Left- and right-hand suspension arms (13L, 13R) extending parallel to the width of the vehicle are associated with support arms (44, 45) pivotable about a vertical axis (43) on the bodywork. Steering levers (46, 47) jointed to these arms (44, 45) extend in opposite directions and are coupled by a driver (48). A pivot arm (50) is driven by gearing (49, 51-54) from a worm wheel (55) on the shaft (56) of a servomotor (58). The road speed determines the deg. of oversteer or understeer imparted to the wheels. ADVANTAGE - A compact structure achieves precise tracking of both rear wheels as a function of road speed.
Patent DE-4133511-A1 (DE)
Title: Automatic web unwinding laying and cutting machine - has counterblades set at each end of swivel arms with stops
Inventor: JANOSCHKA MANFRED
IPC: B65H19/18
Filed: 1991-10-10
Abstract: The counter blades (10) are mounted together with a detent shaft (15) which connects the cutting arms (1a,1) and interacts with the detent claws (11). The swivel arms (3) and cutting arms can be fixed in a cutting position. The fixing for the swivel arm ending in the cutting position is formed by stops (4) fixed on the turning discs (7,7a) and by pneumatic or hydraulic cylinders (5) with locking bolts (6) which are fixed to the piston and can move against angled ends (16) of the swivel arms. ADVANTAGE - Both very small and relatively large diameter bales can be unwound.
Patent DE-4139606-A1 (DE)
Inventor: AUMUELLER ALEXANDER DR
IPC: C08K5/3432
Filed: 1991-11-30
Abstract: Disclosed are  beta -aminoacrylic-acid ester derivatives containing polyalkylpiperidine groups and having the formula (I), in which n is a number from 1 to 50; R<1> and R<2>, which may be the same or different, are hydrogen, C1-C6 alkyl, formyl, C2-C6 alkanoyl, C1-C12 alkoxy, C5-C6 cycloalkoxy, Cyanomethyl, 2-hydroxyethyl, benzyl or a group of the formula -CR<3>=CH-CO-OR<4>, R<3> being hydrogen, C1-C6 alkyl or a group of the formula -CO-OR<4> and R<4> being C1-C18 alkyl, C5-C8 cycloalkyl, C7-C18 aralkyl, phenyl or tolyl; A is C2-C12 alkylene, C5-C8 cycloalkylene, phenylene, biphenylene or a group of the formula (a), (b), (c), (d) or (e) in which m is 2 or 3. If n = 1, Y is hydrogen, C1-C18 alkyl, formyl, C2-C18 alkanoyl, C7-C18 aralkyl or a group of the formula -CH=CH-CO-O-Z; B is a direct linkage and Z is C1-C18 alkyl, C5-C8 cycloalkyl, C7-C18 aralkyl, phenyl, tolyl or a group of the formula -CCH2CH2O)pH or --[CH(CH3)CH2O]pH, p being a number between 1 and 30, and, if n > 1, Y is hydrogen or a group of the formula (f); B is a bridging group of the formula -CH=CH-CO-O-X-, Z being bonded to the C-C double bond in B; X is C2-C18 alkylene, C5-C8cycloalkylene, phenylene, biphenylene or a group of the formula -(CH2CH2O)qCH2CH2- or -[CH(CH3)CH2O]qCH(CH3)CH2-, q being a number from 1 to 30, and Z is a group of the formula (g or h).
Patent DE-4140844-A1 (DE)
Title: Semiconductor memory with memory cell series - has numerous data bit holders coupled to cell series for read=out data bit signal holding
Inventor: MORI JUNJI
IPC: G11C11/401
Filed: 1991-12-11
Abstract: Several data bit holders (Q2, Q5-Q7) are connected to the memory cell (MC) series for holding read-out data bit signals. A serial busbar (SBa, b) transmits outwards the data bit signals from the holders. A serial selector (5) responds to an external clock pulse signal for the selection of the discharged data bit signals. The selector actuates a serial applicator (Q1, 4) for the data bit signal supply from the holder to the busbar. A holder stabiliser (Ca, b) is coupled to the data bit holder and stabilises the signal holder function. Pref. the applicator has several switches, actuated for sequential coupling of the data bit holders to the busbar. USE/ADVANTAGE - For video RAMs, with correct read-out of data bit signals, suitable for serial read-out.
Patent DE-4142083-A1 (DE)
Title: Ground cable laying plough - has hydraulic cylinders for adjusting angle and inclination of plough blade
Inventor: RIEDLBERGER FRANZ
IPC: E02F5/10
Filed: 1991-12-19
Abstract: The plough is attached to the outrigger arm (10) of an excavator, with a hydraulic cylinder (5) between the plough blade (1) and the outrigger arm (10) for exerting a side force on the plough blade (1), allowing it to rotate about a vertical axis (4). A horizontal pivot linkage may be used to allow the plough blade (1) to pivot from the vertical plane, under control of a second hydraulic cylinder (2), the setting force provided by each hydraulic cylinder (5, 2) transferred to a rack and pinion setting drive. ADVANTAGE - Allows precise straight plough line.
Patent DE-4200634-A1 (DE)
Title: Transfer feed for labelling machine - has low grip suction plate with sliding support for transfer of labels from dispenser to item
Inventor: EHRMANN WERNER
IPC: B65C3/12
Filed: 1992-01-13
Abstract: The self adhesive labels are supplied by a strip feed (4) and removed by taking the strip over a dispensing plate (13). The removed labels are supported by a perforated low-suction plate (22) over the transfer path. The labels slide along the suction plate to the application point (26) on the item (6) to be labelled. The suction plate is shorter than the label, enabling the leading edge of the label to reach the application point, where it is pressed into place by a belt drive (14). USE/ADVANTAGE - Simple transfer process, no damaged labels, can apply labels to non circular items e.g. conical.
Patent DE-4202020-A1 (DE)
Title: Precise positioning of casting system - above mould sprue in boxless mould making and conveying
Inventor: GROSSE BOHLE MARTIN DIPL ING
IPC: B22D37/00
Filed: 1992-01-25
Abstract: In a process for positioning the bottom pouring hole of a casting system above the sprue of a mould in boxless mould making and converging system the pouring hole position above the sprue is inspected and position errors are detected, as soon as a mould making and conveying operation is ended and the mould is at rest. The positioning equipment includes (i) a measuring system (19) for determining the pouring hole (14) position above the sprue (10); (ii) a positioning system (18) for longitudinal and transverse adjustment of the casting system (12) w.r.t. the conveyor system (11); and (iii) a measurement processing system (20) for controlling the positioning system (18). USE/ADVANTAGE - The process is useful in the casting of metal articles in boxless moulds. it allows casting to be carried out without delay and compensates for tolerances in the mould thickness and within the conveyor system for rapid and precise pouring hole positioning.
Patent DE-4202236-A1 (DE)
Title: lock preventing unauthorised opening of container lid - has bolt with uneven length U=shaped arms with bore for bar lock
Inventor: GRASS ALFRED
IPC: B65F1/16
Filed: 1992-01-28
Abstract: The lid retaining arm (3) has a bent shape. The bolt (1) is made of metal or plastics and can be bent. It should be wide enough so that after closing it cannot be pushed out sideways underneath the lid handle. When the bar lock (6) is hung in the bore or slit when the bar (2) of the container is located in the U, the bar cannot be lifted so that the container remains closed. USE - Particularly useful for refuse binds.
Patent DE-4203913-A1 (DE)
Title: Process for applying and/or selective removal of thin coatings on or from substrates - using liq. coating medicine, and rotating substrate holder and cover with elastic edge projection laid on substrate
Inventor: GABRIEL SILKE DIPL ING
IPC: B05D1/00
Filed: 1992-02-11
Abstract: In coating thin layers of enamel, metal or similar, to the pref. level surface of a substrate, the liq. coating medium is applied to the substrate and the substrate is then rotated for uniform distribution of the coating medium with a cover held above the substrate. The cover is rotated synchronous with the substrate and an elastic projection on the periphery of the cover, which corresponds approximately to the area of the substrate, is laid on the upwards facing edge of the substrate. USE/ADVANTAGE - Provides a process and equipment for applying a uniform thin coating, e.g., of enamel, metal or similar, on a substrate surface irrespective of the substrate shape, and of removing the coating from areas of the substrate which must be free of coating in a single sequence at one work station.
Patent DE-4205594-A1 (DE)
Title: Sound source switching method for modular hi=fi system - comparing amplification selection signal with current audio signal to initiate switching
Inventor: KIM SI WEON
IPC: H04B1/20
Filed: 1992-02-24
Abstract: The switching procedure allows switching in of a new sound source under control of the user, a control signal for the amplification being supplied in accordance with the selected source, e.g. tape recorder, radio. The amplification selection signal is compared with the current sound signal to allow switching to a different sound signal when the compared signals do not agree. Pref., when the selected source is a tape player or compact disc player, its operating state is determined before switching in. USE/ADVANTAGE - Hi-fi system with disc player, tuner and compact disc player. User does not have to operate amplifier switch upon change-over.
Patent DE-4209258-A1 (DE)
Title: Paint waste and cleaning material collector - fits on spray gun nozzle opening and has stop valve and movable flap for cleaning material
Inventor: ROSSKAMP DAVID KLAUS
IPC: B05B15/55
Filed: 1992-03-21
Abstract: As the spray gun is removed from the collector, the valve closes to prevent harmful vapours from escaping.  The collector is fitted with a waste bag. To throttle the air pressure, when discharging the spray gun, since this is higher inside the collector than outside, a renewable coarse and fine air filter (18) is provided which cleans the air passing into ambient atmos. USE/ADVANTAGE-  For spray gun painting,with reliable gun nozzle closure and waste removal.
Patent DE-4214331-A1 (DE)
Title: Low pressure gas discharge switch - has electrodes in hollow constant wall-strength cylinder carriers centred and sealed for heat dispersion through switch chamber.
Inventor: BRANSTON DAVID WALTER DR
IPC: H01J17/44
Filed: 1992-04-30
Abstract: The switch has at least two main electrodes at a set distance apart for low pressure gas discharge and arranged in a switch chamber (14) to form the anode and cathode of a gas discharge path. At least the cathode has an aperture for the discharge trigger. The back of the cathode has a cap-shaped control electrode whose opening is adjacent the discharge path. It is separate from the cathode and is connected to a control voltage source. The anode and cathode have metallic support bodies and contact material inserts. The support bodies (2,3,30) are hollow cylinders with uniform wall strength and with flanges (21,31). Lugs (22,23) are provided for self-centering the electrodes inside the switch chamber (14). The flanges (21,31) are sealingly fitted through the insulating chamber wall. ADVANTAGE - Uses minimum amount of material. Simple and inexpensive to manufacture.
Patent DE-4215439-A1 (DE)
Title: Water based non-toxic paints for finger painting - contg. polyvinyl alcohol, glycerine, mineral thickener, non-toxic pigment and preservative
Inventor: SPRINGER EVA-MARIE
IPC: C09D129/04
Filed: 1992-05-11
Abstract: Finger-painting paints comprised of Ca, 80 wt. % water, 8 wt. % polyvinyl alcohol, 7 wt. % glycerin, 2 wt. % mineral thickener, 2 wt. % heavy metal-free colour pigment and 0.1 wt. % preservative. Pref. the polyvinyl alcohol has a degree of saponification of ca. 80 mol. % an ester value of 140 mg KOH/g, a residual acetyl content of cva. 10% (m/m) and a viscosity in 4% aq. soln. at 20 deg.C of ca. 8 mPas. The mineral thickener consists e.g. of 60% Si02 and 30% Mn02. The preservative is e.g. a mixt. of 1 pt. propyl-4-hydroxybenzoate and 4 pts. methyl-4-hydroxybenzoate. The glycerin is pref. of 99.5% purity complying with DAB 9. The pigments are pref. of cosmetic grade complying with European Standard EN 71 part 31. USE/ADVANTAGE - The paints are water-based and non-toxic, can be applied easily to smooth surfaces, dry to light-fast elastic films with a high gloss, can be washed out of textiles with water, and can be scrapped off and dissolved in water.
Patent DE-4220085-A1 (DE)
Title: High resolution image projection appts. - converts computer controlled electron beams into light which is received by aimed light fibres which guide light to thin light fibres in outlet wall  NoAbstract
Inventor: FOSS PIERRE NICOLAS DR MED
IPC: G09F9/305
Filed: 1992-06-15
Abstract: The arrangement for projecting high resolution computer controlled colour images involves use of computer controlled electron beams (1). The beams which are converted into light are received by aimed light conducting fibres (4) in a light receiving wall (3) of a defined construction. These fibres guide the light signals to a light outlet wall (10). The outlet wall has thin mixed colour light conducting end cables (9,13) into which the light is directed. ADVANTAGE - Provides pictures with improved resolution and reproduction. Screen can be completely flat. Very large light outlet walls can be constructed, which avoid possibility of movement.